[INFO] cloning repository https://github.com/TautvydasCerniauskas/aoc-2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TautvydasCerniauskas/aoc-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTautvydasCerniauskas%2Faoc-2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTautvydasCerniauskas%2Faoc-2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 99ae84fefd456faa130b52756873208df249c018 [INFO] checking TautvydasCerniauskas/aoc-2020 against master#96df4943409564a187894018f15f795426dc2e1f for pr-118968 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTautvydasCerniauskas%2Faoc-2020" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/TautvydasCerniauskas/aoc-2020 on toolchain 96df4943409564a187894018f15f795426dc2e1f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96df4943409564a187894018f15f795426dc2e1f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/TautvydasCerniauskas/aoc-2020 [INFO] finished tweaking git repo https://github.com/TautvydasCerniauskas/aoc-2020 [INFO] tweaked toml for git repo https://github.com/TautvydasCerniauskas/aoc-2020 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/TautvydasCerniauskas/aoc-2020 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96df4943409564a187894018f15f795426dc2e1f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking TautvydasCerniauskas/aoc-2020 against try#7e4f74fb8736fea8f455bb6e094122965ae8f4cd for pr-118968 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTautvydasCerniauskas%2Faoc-2020" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/TautvydasCerniauskas/aoc-2020 on toolchain 7e4f74fb8736fea8f455bb6e094122965ae8f4cd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7e4f74fb8736fea8f455bb6e094122965ae8f4cd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/TautvydasCerniauskas/aoc-2020 [INFO] finished tweaking git repo https://github.com/TautvydasCerniauskas/aoc-2020 [INFO] tweaked toml for git repo https://github.com/TautvydasCerniauskas/aoc-2020 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/TautvydasCerniauskas/aoc-2020 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7e4f74fb8736fea8f455bb6e094122965ae8f4cd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7e4f74fb8736fea8f455bb6e094122965ae8f4cd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e86fb811ff842bb5e3c0fdc35dbadf7fd3f4c40a80cc65c0514381edb0357d1a [INFO] running `Command { std: "docker" "start" "-a" "e86fb811ff842bb5e3c0fdc35dbadf7fd3f4c40a80cc65c0514381edb0357d1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e86fb811ff842bb5e3c0fdc35dbadf7fd3f4c40a80cc65c0514381edb0357d1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e86fb811ff842bb5e3c0fdc35dbadf7fd3f4c40a80cc65c0514381edb0357d1a", kill_on_drop: false }` [INFO] [stdout] e86fb811ff842bb5e3c0fdc35dbadf7fd3f4c40a80cc65c0514381edb0357d1a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7e4f74fb8736fea8f455bb6e094122965ae8f4cd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8d58d4bffdcbf3a1378842397fe36b3f51bd0ab3cb01339565f29299bcba40dd [INFO] running `Command { std: "docker" "start" "-a" "8d58d4bffdcbf3a1378842397fe36b3f51bd0ab3cb01339565f29299bcba40dd", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking aoc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/solutions.rs:362:21 [INFO] [stdout] | [INFO] [stdout] 362 | &contains_map.insert(k.to_string(), req); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 362 | let _ = &contains_map.insert(k.to_string(), req); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/solutions.rs:556:5 [INFO] [stdout] | [INFO] [stdout] 556 | &input.push(0); [INFO] [stdout] | ^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 556 | let _ = &input.push(0); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/solutions.rs:557:5 [INFO] [stdout] | [INFO] [stdout] 557 | &input.sort(); [INFO] [stdout] | ^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 557 | let _ = &input.sort(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/solutions.rs:822:13 [INFO] [stdout] | [INFO] [stdout] 822 | / &line[4..] [INFO] [stdout] 823 | | .split(']') [INFO] [stdout] 824 | | .collect::>() [INFO] [stdout] 825 | | .windows(2) [INFO] [stdout] ... | [INFO] [stdout] 832 | | mem.insert(l0, m & and_or.0 | and_or.1); [INFO] [stdout] 833 | | }); [INFO] [stdout] | |__________________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 822 | let _ = &line[4..] [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/solutions.rs:362:21 [INFO] [stdout] | [INFO] [stdout] 362 | &contains_map.insert(k.to_string(), req); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 362 | let _ = &contains_map.insert(k.to_string(), req); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/solutions.rs:556:5 [INFO] [stdout] | [INFO] [stdout] 556 | &input.push(0); [INFO] [stdout] | ^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 556 | let _ = &input.push(0); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/solutions.rs:557:5 [INFO] [stdout] | [INFO] [stdout] 557 | &input.sort(); [INFO] [stdout] | ^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 557 | let _ = &input.sort(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/solutions.rs:822:13 [INFO] [stdout] | [INFO] [stdout] 822 | / &line[4..] [INFO] [stdout] 823 | | .split(']') [INFO] [stdout] 824 | | .collect::>() [INFO] [stdout] 825 | | .windows(2) [INFO] [stdout] ... | [INFO] [stdout] 832 | | mem.insert(l0, m & and_or.0 | and_or.1); [INFO] [stdout] 833 | | }); [INFO] [stdout] | |__________________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 822 | let _ = &line[4..] [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.96s [INFO] running `Command { std: "docker" "inspect" "8d58d4bffdcbf3a1378842397fe36b3f51bd0ab3cb01339565f29299bcba40dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d58d4bffdcbf3a1378842397fe36b3f51bd0ab3cb01339565f29299bcba40dd", kill_on_drop: false }` [INFO] [stdout] 8d58d4bffdcbf3a1378842397fe36b3f51bd0ab3cb01339565f29299bcba40dd